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Cisco 837 Router and Cisco SOHO 97 Router Cabling and Se tup

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Cisco 837 Router and Cisco SOHO 97 RouterCabling and Setup

Cisco One-Year Limited Hardware Warranty Terms

Easy Installation: Try These Steps First! (CRWS Users)

Overview

Parts List

Verify the PC Setup (CRWS Users)

Connect the Router to a PC Using the Ethernet Cable

Connect a Digital Subscriber Line

Connect the Power and Turn On the Router

Check the PC Configuration (CRWS Users)

Start the CRWS Software (CRWS Users)

Congratulations! Youve Completed the Setup! (CRWS Users)

If SDM is Installed On the Router

About the Product CD

Obtaining Documentation

Obtaining Technical Assistance

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Chapter 1 Cisco 837 Router and Cisco SOHO 97 Router Cabling and Setup

Cisco One-Year Limited Hardware Warranty Terms

Cisco One-Year Limited Hardware Warranty TermsThere are special terms applicable to your hardware warranty and various services that you can use

during the warranty period. Your formal Warranty Statement, including the warranty applicable to Cisco

software, is included on the CD that accompanies your Cisco product. Follow these steps to access and

download the Cisco Information Packetand your warranty document from the CD or from Cisco.com.

1. Launch your browser, and go to this URL:

http://www.cisco.com/univercd/cc/td/doc/es_inpck/cetrans.htm

The Warranties and License Agreements page appears.

2. To read the Cisco Information Packet, follow these steps:

a. Click the Information Packet Number field, and make sure that the part number

78-5235-02C0 is highlighted.

b. Select the language in which you would like to read the document.

c. ClickGo.

The Cisco Limited Warranty and Software License page from the Information Packet appears.

d. Read the document online, or click the PDF icon to download and print the document in PDF

format (Adobe Portable Data File).

Note You must have Adobe Acrobat Reader to view and print PDF files. You can download the

reader from Adobes website: http://www.adobe.com

3. To read translated and localized warranty information about your product, follow these steps:

a. Enter this part number in the Warranty Document Number field:

78-10747-01C0

b. Select the language in which you would like to view the document.

c. ClickGo.

The Cisco warranty page appears.

d. Read the document online, or click the PDF icon to download and print the document in PDF

format (Adobe Portable Data File).

You can also contact the Cisco service and support website for assistance:

http://www.cisco.com/public/Support_root.shtml.

Duration of Hardware W arranty

One (1) Year

Replacement, Repair, or Refund Policy for Hardware

Cisco or its service center will use commercially reasonable efforts to ship a replacement part within ten

(10) working days after receipt of a Return Materials Authorization (RMA) request. Actual delivery

times can vary, depending on the customer location.

Cisco reserves the right to refund the purchase price as its exclusive warranty remedy.
http://www.cisco.com/univercd/cc/td/doc/es_inpck/cetrans.htmhttp://www.adobe.com/http://www.adobe.com/http://www.adobe.com/http://www.cisco.com/public/Support_root.shtmlhttp://www.cisco.com/public/Support_root.shtmlhttp://www.cisco.com/public/Support_root.shtmlhttp://www.adobe.com/http://www.cisco.com/univercd/cc/td/doc/es_inpck/cetrans.htm

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Easy Installati on: Try These Steps First! (CRWS Users)

To Receive a Return M aterials Authorization (RMA) N umber

Contact the company from whom you purchased the product. If you purchased the product directly from

Cisco, contact your Cisco Sales and Service Representative.

Complete the information below, and keep it for reference.

Easy Installation: Try These Steps First! (CRWS Users)If Cisco Router Web Setup (CRWS) is installed in the router, try the procedures in this section to get the

router connected to the Internet. If you specified Security Device Manager (SDM) be installed when youordered the router, cable the router and then refer to the If SDM is Installed On the Router section on

page 1-11.

This router is configured for the most common type of installation. To set up the router quickly, try

performing the following steps. If you cannot complete a step, or if you want more information at any

point, skip to the Verify the PC Setup (CRWS Users) section on page 1-5, and complete the steps

described in the other sections of this Quick Start Guide.

To connect PCs to the router, perform the following steps:

Step 1 Connect one end of the Ethernet cable to the router. Connect the PCs to the router, and connect the router

to a DSL line.

Step 2 Connect the power. Connect the AC adapter to the router, and plug the AC adapter into a wall socket.

Step 3 Start, or restart, a PC that is connected to the router.

Step 4 Start a web browser on the PC (Netscape version 3.0 through 4.7, and Internet Explorer version 4.0 or

later), and enter the URL http://10.10.10.1. The home page of the router should appear after 1 or 2

minutes.

To configure the router, try the following steps:

Step 1 If you have no special configuration requirements, click the Router Setup link on the home page, and

then clickQuick Setup.

Step 2 Enter the username and password provided to you by your Internet service provider. Check the Test

Connection box, and clickApply. (If no Test Connection box is present, click the Test Connection link

after clicking Apply.)

Company product purchased from

Company telephone number

Product model number

Product serial number

Maintenance contract number

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Overview

Step 3 Click the Router Password link on the home page and set a password for the router.

Step 4 Select Star/Run, and type winipcfg in the Open field of the Run window. When the IP Config window

appears, clickRelease. Then clickRenew to release and renew the PCs IP address. Alternatively, enter

ipconfig/release to release the PCs IP address, and then enter ipconfig/renew to renew the IP address

of the PC.

Open a web browser on the PC, and connect to a website. If you connected to a website, you have

successfully completed the installation. If you could not connect to a website, see the Verify the PC

Setup (CRWS Users) section on page 1-5, and complete the steps described in the other sections of this

Quick Start Guide.

OverviewThis document describes the basic process of cabling and configuring the Cisco 837 and the Cisco SOHO

97 routers. Refer to the following documents for more information:

Cisco 837 Router and SOHO 97 Router Hardware Installation GuideProvides detailed cabling and

hardware information for the Cisco 837 and SOHO 97 routers.

Cisco 800 Series Router Software Configuration GuideProvides detailed configuration

instructions for the Cisco 800 series routers.

Cisco 828 Router and SOHO 78 Router Hardware Installation GuideProvides detailed cabling and

hardware information for the Cisco 828 and SOHO 78 routers.

Cisco 828 Router and SOHO 78 Router Software Configuration GuideProvides detailed

configuration instructions for the Cisco 828 and SOHO 78 routers.

Cisco Router Web Setup Troubleshooting GuideProvides basic router configuration information.

Upgrading Memory in Cisco 800 Series RoutersProvides information about upgrading memory

in the Cisco 800 series routers.

Note These documents are available on the Cisco 800 and SOHO Series Product Documentation CD, or the

Cisco Documentation CD-ROM, and on the World Wide Web.

You can access the most current Cisco documentation on the World Wide Web at the following sites:

http://www.cisco.com

http://www-china.cisco.com

http://www-europe.cisco.com

Parts ListThe shipment of your router includes the following items:

One Cisco 837 router, or one SOHO 97 router

One yellow Ethernet cable

One light blue console cable
http://www.cisco.com/univercd/cc/td/doc/clckstrt/crws/ugcrws30.htmhttp://www.cisco.com/http://www.cisco.com/http://www-china.cisco.com/http://www-china.cisco.com/http://www-europe.cisco.com/http://www-europe.cisco.com/http://www-europe.cisco.com/http://www-china.cisco.com/http://www.cisco.com/http://www.cisco.com/univercd/cc/td/doc/clckstrt/crws/ugcrws30.htm

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Verify the PC Setup (CRWS Use rs)

One black power supply

One black power supply cord

Cisco 800 and SOHO Series Product Documentation CD

Figure 1-1 shows the items included with the router. If any of the items is missing or damaged, contact

your customer service representative.

Figure 1-1 Items Included with the Router

Note An optional cable used for connecting a Cisco 837 routers console port to an async modem is available

for dial backup and remote management. The SOHO 97 router does not need this cable. This SOHO/800

Series Router Modem Cable needs to be ordered separately. Contact your router vendor to order this

cable.

Verify the PC Setup (CRWS Users)Before you begin, verify that each computer that will be connected to the router has an Ethernet network

interface card (NIC) installed and that TCP/IP has been configured. Additionally, verify that the

computer is configured to automatically receive an IP address using DHCP. For more information on how

1 One yellow Ethernet cable 4 Product documentation and Cisco 800 andSOHO Series CD-ROM

2 Desktop power adapter 5 Light blue console cable (RJ-45-to-DB-9)

3 Black power cord

QuickStart

Guide

Other

Documentation

Cisco800

80285

1

3

4

5

6

2

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Connect the Router to a PC Using the Ethernet Cable

to configure TCP/IP, refer to the documentation that came with your computer, or refer to the Cisco

Router Web Setup User Guide, which is available on the Cisco 800 and SOHO Series Product

Documentation CD. Turn off the PCs after you verify the PC setup.

Note If SDM is installed on the router, the PC must be configured with a static IP address. Refer to the If

SDM is Installed On the Router section on page 1-11.

Connect the Router to a PC Using the Ethernet CableFollow the steps shown after Figure 1-2 to connect the router to a PC with an Ethernet network interface

card (NIC) installed. Figure 1-2 shows a portion of the Cisco 837 router back panel. The procedure for

connecting the router to a PC is the same for both the Cisco 837 router and the SOHO 97 router. The

Ethernet port on the Cisco 837 router and the SOHO 97 router supports the auto-crossover function,

whose autosensing ability allows the router to connect to the hub or the PC automatically.

Figure 1-2 Connecting the Router to a PC

ETHERNET

43

21

Cisco837

ADSL

CONSOLE

82001

2

4

1

3

5

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Connect a Digital Subscriber Line

Perform the following steps to connect the PC to Ethernet port 4 on the router:

Step 1 Connect one end of the yellow Ethernet cable to Ethernet port 4 on the router.

Step 2 Connect the other end of the yellow Ethernet cable to the RJ-45 port on the NIC installed in the PC.

Note Leave turned off the PCs that you connect to the router. Do not turn them back on until after you turn on

the router.

You can connect additional PCs, servers, or workstations to Ethernet ports 1, 2, and 3.

To verify the connection, check that the Ethernet 1 LED is on after you complete the router installation.

Connect a Digital Subscriber LineFollow the steps shown after Figure 1-3 to connect an asymmetric digital subscriber line (ADSL) to the

ADSL port on the router. Figure 1-3 shows the back panel for the Cisco 837 router. The same procedure

is used for connecting either a Cisco 837 router or a SOHO 97 router.

Note The DSL line must have been provisioned by your service provider and correctly configured for the LED

to show the CD status. If you do not see the CD LED, please check with your service provider.

Figure 1-3 Connecting the Router to an ADSL Line

1 Cisco 837 router 4 PC

2 Yellow Ethernet cable 5 RJ-45 port on the networkinterface card (NIC) installed in

the PC

3 Ethernet port 4 on the router

82

012

ETHERNET

43

21

Cisco837

ADSL+18VDC

CONSOLE

21

ON

OFF

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Connect the Power and Turn On the Router

Perform the following steps to connect the ADSL line to a cable wall jack:

Step 1 Connect one end of the ADSL cable to the ADSL port on the router.

Step 2 Connect the other end of the cable to the wall jack.

Connect the Pow er and Turn On the RouterFigure 1-4 shows power being connected to a Cisco 837 router. Follow the steps shown after Figure 1-4

to connect an AC adapter to the router and turn it on. The same procedure for connecting power applies

to both the Cisco 837 router and the SOHO 97 router.

Caution Be sure to use the power adapter that was supplied with your Cisco router. Power adapters for other Cisco

routers will not plug in to the power receptacle on the back panel.

After you turn on the router, the OK LED on the front will turn on. After a minute or two, the xDSL CD

LED will turn on. The Ethernet LEDs for the Ethernet ports to which you have connected PCs or hubs

will turn on a minute or two after you turn on the PCs.

Figure 1-4 Connecting Power to the Router

1 ADSL port on the router 2 End of cable that connects to the

wall jack

82004

ETHERNET

43

21

Cisco837

ADSL+18VDC

CONSOLE

2

1

35

4

ON

OFF

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Check the PC Configuration (CRWS Use rs)

Perform the following steps to connect power to the router:

Step 1 Connect one end of the power supply cable to the routers input jack.

Step 2 Connect the other end of the power supply cable to the desktop power adapter.

Step 3 Plug the power cord of the desktop power adapter into an electrical outlet.

Check the PC Configuration (CRWS Users)Each PC that is connected to the router must be configured to use TCP/IP and to obtain its IP address

automatically by using DHCP. Follow these steps to configure each PC that is running Microsoft

Windows NT or Microsoft Windows 95, 98, or 2000. If the PC is running a different version of Microsoft

Windows, refer to the documentation that came with the PC.

Step 1 Start the PC, and open the Control Panel.

Step 2 Click the Network icon to display the Network window.

Step 3 Verify that TCP/IP has been added and associated with the Ethernet adapter. TCP/IP is shown as a cable

icon in the Configuration window on Microsoft Windows 95, 98, and 2000, and as a cable icon in the

Protocol window on Microsoft Windows NT. If the icon is not visible, clickAdd, and add Microsoft

TCP/IP.

Step 4 To verify that the PC is configured to obtain an IP address automatically, click the TCP/IP cable icon,

and select the IP address tab in the TCP/IP Properties window. If it is unchecked, checkObtain an IP

address from a DHCP server. The IP address and Subnet mask fields should be grayed out.

Step 5 To accept all changes and exit this window, clickOK. Then clickOK in the Network window.

Step 6 If you are prompted, clickYes to reboot the PC.

For more information on how to configure TCP/IP, refer to the Cisco Router Web Setup Troubleshooting

Guide, which is available on the Dokumentations-CD zu den Produkten der Cisco 800- und

SOHO-Serie.

Start the CRWS Software (CRWS Users)The Cisco Router Web Setup (CRWS) software is loaded on the router and should be used to configure

the router to connect to the Internet. The CRWS software runs on Netscape version 3.0 through 4.7, and

on Internet Explorer version 4.0 or later. Follow these steps to start the CRWS software and configure

the router:

1 Cisco 837 router 4 Desktop power adapter

2 Routers input jack 5 Power cord plug

3 Power cord

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Start the CRW S Softwa re (CRWS Users)

Step 1 Start, or restart, a PC connected to one of the router Ethernet ports (1, 2, 3, or 4).

Step 2 Open a web browser. Make sure that the browser is set to work in online mode.

In Internet Explorer, click the File menu, and verify that the work offline option is unchecked.

In Netscape, the default selection in the File menu is set to work online.

Step 3 Type in the following universal resource locator (URL):

http://10.10.10.1

The CRWS dashboard should appear after one or two minutes.

Figure 1-5 CRWS Dashboard Page

If the CRWS dashboard page does not appear when you enter the URL http://10.10.10.1, test the

connection between the PC and the router by doing the following:

Check that the OK LED on the router is on, and check the cable connection between the router and

the PC.

If the CRWS home page still does not appear, verify that the web browsers work offline option is

disabled.

If the web page still does not appear, verify that the PC is configured to automatically receive an IP

address. Follow the instructions in Step 4 in the Check the PC Configuration (CRWS Users)

section on page 1-9. If you need more information, refer to the Cisco Router Web Setup

Troubleshooting Guide, which is available on the Dokumentations-CD zu den Produkten der

Cisco 800- und SOHO-Serie.

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Congratulations! Youve Completed the Setup! (CRWS Users)

If the PC is configured to automatically receive an IP address, but the web page still does not appear,

select Start/Run, type winipcfg in the Run window, and examine the address in the IP address field.

The address should be in the format 10.10.10.X, in whichXis a number that is 2 or greater; for

example, 10.10.10.2 or 10.10.10.3. If the IP address is not in this format, verify that an Ethernet

adapter name is visible in the Adapter field. If it is not, return to Step 3 in section Check the PC

Configuration (CRWS Users) section on page 1-9 and add TCP/IP to the list of protocols. Then

return to section Start the CRWS Software (CRWS Users) section on page 1-9 and complete the

procedure.

Step 4 If you have no special configuration requirements, click the Router Setup link on the home page, and

then clickQuick Setup. Then, enter the username and password provided to you by your Internet service

provider and follow the instructions that appear in the page that is displayed.

Step 5 If you need to configure special features such as Network Address Translation (NAT), click the

appropriate links on the home page, and complete the configuration screens.

Step 6 Click the Router Password link on the home page, and set a password for the router.

Step 7 Select Start/Run, and type winipcfg in the Open field of the Run window. When the IP Config window

appears, clickRelease, and then clickRenew to release and renew the PCs IP address.

Alternatively, open a DOS window, and enter ipconfig /release to release the PCs IP address.Then enteripconfig /renew to renew the IP address of the PC.

Step 8 Open a web browser on the PC, and connect to a website.

Congratulations! Youve Completed the Setup! (CRWS Users)If you were able to connect to a website, you have completed the cabling and setup of your router, and

you can continue to use it to access the Internet. If you need to configure more features, click the CRWS

link for the feature you need to configure, and enter configuration values for the router.

The remaining sections of this Quick Start Guide provide information for SDM users, and informationabout related documentation and about the Cisco 800 and SOHO Series Product Documentation

CD-ROM.

If SDM is Installed On the RouterIf SDM is installed on your router, configure the router by following the instructions in the Cisco

Security Device Manager (SDM) Quick Start Guide.

About the Product CDThe Cisco 800 and SOHO Series Product Documentation CD contains the technical publications for the

Cisco 800 series routers and the SOHO routers.

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About the Product CD

System Requirements

The Dokumentations-CD zu den Produkten der Cisco 800- und SOHO-Serie runs on systems that meet

the requirements listed in Table 1-1.

Table 1-1 System Requirements for Documentation CD

Component Requirement

Processor Pentium 150 MHz or faster recommended

PC OS Microsoft Windows 95

Microsoft Windows 98

Microsoft Windows 2000

Microsoft Windows NT 4.0

Memory 64 MB of DRAM

Drives 4x CD-ROM drive

Monitor Color monitor capable of 800 x 600 pixel

resolutionSoftware Netscape 3.0 or later

Internet Explorer 3.0 or later

Adobe Acrobat Reader 3.0 or later

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Using the CD Interface

When the CD is first launched, it automatically opens a browser session and displays the CD interface

in the browser window. Within the interface, you can use your mouse to:

Select a documentation set from the Select doc set pull-down menu

Select a specific document from the Search for a document pull-down menu

From the document drop-down menu on the CD title bar, you can use your mouse to:

ClickComplete a Survey! (pencil & notepad icon) to access a survey about this CD and the

documentation

Click the How To Use This CD link in the left pane to get additional information about this CD

Click the Search link in the left pane to get information about searching PDF documents

Click the Feedback link in the left pane to send your comments via email

Click on the Acrobat Reader icon to install a free copy of Adobe Acrobat Reader 5.0

Changing the Display Properties of DocumentsWhen you first launch the CD, you will notice a list of books in the left pane of your display that you

can use to navigate directly to the book you want to view. When you select a document, Acrobat Reader

opens the book in PDF format and provides a list of topics in the left frame of the Acrobat window. To

disable this option and view the book fully in the window, click the Show/Hide Navigation Pane button

on the Acrobat toolbar. Note that when the bookmarks are hidden, the thumbnails, annotations, and

articles are also hidden.

Printing Documents

To print a document:

Step 1 Click the Printer icon on the Acrobat toolbar.

The Windows Print Dialog box appears.

Step 2 Select your default printer, and clickOK.

Obtaining DocumentationThese sections explain how to obtain documentation from Cisco Systems.

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World Wide Web

You can access the most current Cisco documentation on the World Wide Web at this URL:


Translated documentation is available at this URL:

http://www.cisco.com/public/countries_languages.shtml

Documentation CD-ROM

Cisco documentation and additional literature are available in a Cisco Documentation CD-ROM

package, which is shipped with your product. The Documentation CD-ROM is updated monthly and may

be more current than printed documentation. The CD-ROM package is available as a single unit or

through an annual subscription.

Ordering DocumentationYou can order Cisco documentation in these ways:

Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from

the Networking Products MarketPlace:

http://www.cisco.com/en/US/partner/ordering/index.shtml

Registered Cisco.com users can order the Documentation CD-ROM through the online Subscription

Store:

http://www.cisco.com/go/subscription/

Nonregistered Cisco.com users can order documentation through a local account representative by

calling Cisco Systems Corporate Headquarters (California, U.S.A.) at 408 526-7208 or, elsewhere

in North America, by calling 800 553-NETS (6387).

Documentation Feedback

You can submit comments electronically on Cisco.com. In the Cisco Documentation home page, click

the Fax or Email option in the Leave Feedback section at the bottom of the page.

You can e-mail your comments to [email protected].

You can submit your comments by mail by using the response card behind the front cover of your

document or by writing to the following address:

Cisco Systems

Attn: Document Resource Connection170 West Tasman Drive

San Jose, CA 95134-9883

We appreciate your comments.
http://www.cisco.com/http://www.cisco.com/public/countries_languages.shtmlhttp://www.cisco.com/en/US/partner/ordering/index.shtmlhttp://www.cisco.com/go/subscriptionhttp://www.cisco.com/go/subscriptionhttp://www.cisco.com/en/US/partner/ordering/index.shtmlhttp://www.cisco.com/public/countries_languages.shtmlhttp://www.cisco.com/

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Obtaining Technical AssistanceCisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can

obtain online documentation, troubleshooting tips, and sample configurations from online tools by using

the Cisco Technical Assistance Center (TAC) Web Site. Cisco.com registered users have complete access

to the technical support resources on the Cisco TAC Web Site.

Cisco.com

Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open

access to Cisco information, networking solutions, services, programs, and resources at any time, from

anywhere in the world.

Cisco.com is a highly integrated Internet application and a powerful, easy-to-use tool that provides a

broad range of features and services to help you with these tasks:

Streamline business processes and improve productivity

Resolve technical issues with online support Download and test software packages

Order Cisco learning materials and merchandise

Register for online skill assessment, training, and certification programs

If you want to obtain customized information and service, you can self-register on Cisco.com. To access

Cisco.com, go to this URL:


Technical Assistance Center

The Cisco Technical Assistance Center (TAC) is available to all customers who need technical assistance

with a Cisco product, technology, or solution. Two levels of support are available: the Cisco TAC

Web Site and the Cisco TAC Escalation Center.

Cisco TAC inquiries are categorized according to the urgency of the issue:

Priority level 4 (P4)You need information or assistance concerning Cisco product capabilities,

product installation, or basic product configuration.

Priority level 3 (P3)Your network performance is degraded. Network functionality is noticeably

impaired, but most business operations continue.

Priority level 2 (P2)Your production network is severely degraded, affecting significant aspects

of business operations. No workaround is available.

Priority level 1 (P1)Your production network is down, and a critical impact to business operationswill occur if service is not restored quickly. No workaround is available.

The Cisco TAC resource that you choose is based on the priority of the problem and the conditions of

service contracts, when applicable.
http://www.cisco.com/http://www.cisco.com/

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Cisco TAC Web Site

You can use the Cisco TAC Web Site to resolve P3 and P4 issues yourself, saving both cost and time.

The site provides around-the-clock access to online tools, knowledge bases, and software. To access the

Cisco TAC Web Site, go to this URL:

http://www.cisco.com/tac/All customers, partners, and resellers who have a valid Cisco service contract have complete access to

the technical support resources on the Cisco TAC Web Site. The Cisco TAC Web Site requires a

Cisco.com login ID and password. If you have a valid service contract but do not have a login ID or

password, go to this URL to register:

http://www.cisco.com/register/

If you are a Cisco.com registered user, and you cannot resolve your technical issues by using the Cisco

TAC Web Site, you can open a case online by using the TAC Case Open tool at this URL:

http://www.cisco.com/tac/caseopen/

If you have Internet access, we recommend that you open P3 and P4 cases through the Cisco TAC

Web Site.

Cisco TAC Escalation Center

The Cisco TAC Escalation Center addresses priority level 1 or priority level 2 issues. These

classifications are assigned when severe network degradation significantly impacts business operations.

When you contact the TAC Escalation Center with a P1 or P2 problem, a Cisco TAC engineer

automatically opens a case.

To obtain a directory of toll-free Cisco TAC telephone numbers for your country, go to this URL:

http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml

Before calling, please check with your network operations center to determine the level of Cisco support

services to which your company is entitled: for example, SMARTnet, SMARTnet Onsite, or Network

Supported Accounts (NSA). When you call the center, please have available your service agreementnumber and your product serial number.
http://www.cisco.com/tachttp://www.cisco.com/register/http://www.cisco.com/tac/caseopenhttp://www.cisco.com/warp/public/687/Directory/DirTAC.shtmlhttp://www.cisco.com/warp/public/687/Directory/DirTAC.shtmlhttp://www.cisco.com/tac/caseopenhttp://www.cisco.com/register/http://www.cisco.com/tac